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1/4 mile ET ?

edited November -1 in Roadster
I'm looking for the drag racing performance time for the Sport model? Everything I look at indicates 0-60 time but I thought I saw something/somewhere about the 1/4 mile time.

Again this is for the Sport model.



  • edited November -1
    <p>Around 12.6 seconds seems to be what NEDRA has: 12.643s 102.89mph top speed. Current record holder for street production over 349V class is Roadster Sport. That's quite easy, because there really is no competition in (mass) production street car class currently. If something like Nemesis could get that status, then Roadster would look slow.

    <p>Looks like Roadster start is explosive but it starts to lose acceleration quite fast after 60mph. 1/8 times for Roadster (different car, no mention about "sport") are 8.140s 84.11mph, so it already is at 84mph speed at half-way the track and has used over four seconds to get 24mph increase from 60mph.

    <p>That might be caused by aerodynamic drag, Roadster isn't actually very aerodynamic. Model S will be much better in that than current Roadster.
  • edited November -1
    Keeping the car on the road and going in a straight line, while traveling on a surface that offers less than desireable traction is, I think, more important than how fast the car will go or how well it will accelerate, if you live where it snows or if you like to go to the mountains in winter. However, acceleration and speed is definately important to me when considering which car to buy.

    The performance of Tesla vehicles under low traction conditions is something that has not been widely discussed. It appears, from what I have read, that the performance of the roadster is basically the same as a rear wheel drive with positraction. If so, performance on snow and ice will most certainly not be as good as your garden variety 4WD, or the BMW, Subaru, Volvo and Audi full time four wheel drive vehicles, which are, of course, all gas/diesel powered vehicles. No matter how you slice it, two wheel drive is two wheel drive. No comparison to a four wheel drive vehicle under limited traction conditions.

    In order for an electric drive vehicle to attain the same, or even superior performance as the present gear driven 4WD vehicles in limited traction conditions, electric car manufacturers will have to individually equip each wheel with a motor. A computer controlled power distribution system could then be used to supply power to each wheel in accordance with that wheel's available traction.

    Sounds crazy? Not according to a Japanese Professor and Engineer. The prototype he has built, the Elica, has six wheels, and is a virtual rocket when it comes to performance. The power to each wheel is computer controlled, according to the traction available at that wheel.

    Of course, a six wheel vehicle would hardly be something that would go into production in the US or anywhere else in the world, but it just shows what is possible.

    Until electric car manufacturers can offer an all wheel drive vehicle with computer traction control, I think I'll stay with my conventional 4WD vehicles. I wonder if the SUV Toyota and Tesla are going to design will be all wheel drive. Just have to wait and see, I guess.

    We sure do live in interesting times....
  • edited November -1
    <p>Difference between 4WD and 2WD cars are pretty small even in slippery surface. Much more depends of your tires, car behavior especially when (not "if") sliding starts and road maintenance. These cars are not off-road cars so 4WD or 2WD you can't drive them in deep snow anyway.

    <p>Tesla has one of the worlds best traction control systems in their cars, which help controlling it quite a bit. Also the fact that you can have very precise control of your car real wheels with just accelerator in power-induced sliding helps a lot (lift the accelerator, and wheels slow car due regen braking, push it down and it accelerates). Speed-induced sliding depends a lot more of car balance and tires than which wheels are driving wheels. 4WD car can be nightmarish to control in all-wheel slides. Or not.

    <p>Obviously EV can be traditional 4WD. There is nothing to stop that. Or two-engine 4WD, or even hub-motor 4WD. Rear-wheel drive just is easiest and most cases the best solution.
  • edited November -1
    A typical "flatlander" comment Timo. Where do you live? Hawaii?? LA?? There is a world of difference between 4WD and 2WD vehicles, as well as front wheel drive compared to rear wheel drive vehicles, under limited traction conditions. To say that the difference is pretty small just shows that you have zero experience driving on ice and snow with either type of vehicle. I have 30 years of driving experience on snow and ice, driving both 2WD and 4WD vehicles, and I can tell you there is a world of difference. No one is talking about going off road into deep snow. But when driving with snow on the roadway, even when there is only two to three inches of snow, the difference can be safely getting where you are going or planting your hood ornament into a snow bank. And if the snow gets deeper (maybe six to eight inches) on the roadway, which is, at times, common in areas that get winter snow, a 2WD vehicle will not be able to move unless the drive wheels have chains attached. If you don't live in the snow or do not plan to go to the mountains in winter, then an electric 2WD SUV would be fine for you. But be assured that there is a HUGE difference between 2WD and 4WD vehicles in limited traction situations, and any statement to the contrary just shows that you do not have experience driving under these conditions.
  • edited November -1
    <p>Are you gonna argue that Canada is such a place?</p>

    <p>Timo's correct, 4WD makes next to NO difference onroad, it's sole reason to exist is for going off road. Every winter, the first dozen vehicles I see in the ditch are all 4WD models. Why? Because drivers assume exactly what you're assuming, and they're wrong every time.</p>
  • edited November -1
    If I had a dollar for every 2 wheel drive car I've seen fail to make it up some of hte hills in my town during winter, I'd be able to buy a roadster sport. icy hills are a good time to have a vehicle with 4wd. My car is only 2wd, but I'll be damned if I ever try going out to hte middle of nowhere in vermont or new hampshire on a snowy day with it. but between any possible lack of 4wd and infrastructure, I suspect EVs won't catch on as quickly in very rural areas as fast as htey might in urban or suburban areas.
  • edited November -1
    Speaking as a Canadian driver, in my experience:<br><br>

    RWD vehicles that lack weight on the rear wheels are <i>terrible</i> in snow. Your rear wheels will often buck out sideways when you try to accelerate. In bad conditions you'll often get half-way up a hill, then spin sideways and slide back down to the bottom. Hopefully no one is behind you!<br><br>

    FWD is generally better if your engine is up front, because the weight is on the drive wheels. They can pull you around a slippery corner. Your rear end doesn't swing out when you attempt to accelerate. But if you hit the gas too hard in a corner your wheels will break loose and you'll lose steering. So there are significant differences between RWD and FWD in snow conditions, and you need to understand those differences to drive safely. <br><br>

    4WD/AWD is somewhat less likely to get suck. 4WD/AWD will also accelerate signficantly faster than any type of 2WD in snow. Unfortunately that will give you a false sense of security, and it will not <i>decelerate</i> any faster! That's why you see 4WD/AWD vehicles in the ditch. Idiots are driving them.
  • edited November -1
    3rd paragraph "stuck" not "suck". LOL.
  • edited November -1
    <p>To ECam I live in Finland and I have been trained to drive all kinds of vehicles, including military APC:s in winter. I know what I'm talking about. 4WD is better than 2WD, but difference is small.

    <p>8 inch show is a lot of snow in road. Don't they have any road maintenance there? Roadster would get stuck just because it doesn't have the ground clearance to manage that deep snow, Model S would probably also get stuck for same reason (unless the snow is very loose). 6 inches is a bit more manageable, and yes, you don't need a AWD to drive that, only good tires and well-behaving car.

    <p>I agree with both Wawlkus and Douglas3. Note that Douglas3 said that RWD <u>with no weight at rear</u> sucks. It sucks in wet tarmac too unless you <b>want</b> to do powersliding. For Tesla cars that is not the case, they are well-balanced with low (very low for Model S) center of gravity. Douglas3 did leave out FWD case where you don't have weight on front, then when you start to slip going up steep hill your front end of the car tries to go all around the place except forward, and if it goes too much to side you end up spinning front down. It basically does same as rear wheel driven car, but with more easily controlled way.
  • edited November -1
    Totally agree with all of your comments Doug3...the advantage to AWD / 4WD is not getting stuck....I HATE GETTING STUCK!...therefore, one of the vehicles in my household will always have to be an AWD / 4WD...this is why I would prefer TM to offer an AWD version of the Model S when practical.
  • edited November -1
    My car is rear wheel drive and we get a ton of snow here. I run z-rated tires in the summer and snow tires in the winter. I also live up in the mountains and climbing the hills every day is a piece of cake with snow tires even in 2-3 inches of snow. I've been caught in a snowstorm in z-rated tires before though and the car struggles to go up even the slightest incline. I used to think I would need a separate 4WD vehicle, but now I think that would be pointless.
  • edited November -1
    Timo, I've never seen a FWD vehicle with no weight on the front tires! Seems pointless. What kind of car is that? <br><br>

    I could also point out that there are differences between 4WD and AWD in snow handling. "True" 4WD vehicles don't allow front/back differential wheel motion, and they really wallow through corners. 4WD is better for grinding through mud off road, but AWD is definitely better for winter driving. AWD vehicles drive rather like FWD cars do in snow, except that you don't get that "pull around the corner" turning characteristic - you can't modulate the turn radius with the gas pedal. <br><br>

    I suspect the Model S will be just fine in winter conditions, as long as you use snow tires. The nice even weight distribution will really help.
  • edited November -1
    <p>FWD with no weight on front is more a situation than a car. Small FWD car with lightweight engine, lots of weight in back behind rear axle for one or other reason (like towing something heavy that is not balanced right).

    <p>I have to admit that I don't recall driving any rear-engine car with front wheel drive. Sounds kind of stupid arrangement to me.
  • edited November -1
    This should give you rough indication... :)
  • edited November -1
    It is impressive for a street car. Not so much for a electric car.

    Drop the advertisement, otherwise get deleted as spammer.
  • edited November -1
    12.64 sec 1/4 mile
  • edited November -1
    Just to make clear, my above message is for someone whose message actually got deleted, not to h8tow8.
  • edited November -1
    We don't get much ice and snow in Queensland, but i have driven the Mitsubishi Delica 2.8 turbo deisel, and i do know the difference between 2 and 4 WD in this vehicle makes it a different beast. We get plenty of rain and have quite a few hills, as well as greasy slippery conditions when it starts to rain, i always switch to 4WD under these conditions , it feels more stable , easier to handle and doesn't move as much on the road - however it costs more fuel. At present we have a Hyundai santa Fe 3.3 v6 FWD - and boy do you know it's a FWD with big wheels now shod by Pirelli scorpion zeros it's a lot better than the standard Kuhmo's - but it needs to be driven a different way - and i'm sure is not as stable as the delica. (my Mini is however great and i want it closer to unstable to drive the way i like ) - i used to race a 1312cc supercharged 1976 Mini SS - top speed 237KPH - 1/4 mile 14.8 seconds
  • edited August 2019
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